Athlon II X2 245 vs Phenom II X4 820

Aggregate performance score

Phenom II X4 820
2009
4 cores / 4 threads, 95 Watt
1.31
+87.1%
Athlon II X2 245
2009
2 cores / 2 threads, 65 Watt
0.70

Phenom II X4 820 outperforms Athlon II X2 245 by an impressive 87% based on our aggregate benchmark results.

Primary details

Comparing Phenom II X4 820 and Athlon II X2 245 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking22742718
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation2.105.89
Market segmentDesktop processorDesktop processor
Power efficiency1.301.02
Architecture codenameDeneb (2009−2011)Regor (2009−2013)
Release date1 September 2009 (15 years ago)23 July 2009 (15 years ago)
Launch price (MSRP)$90$35

Cost-effectiveness evaluation

Performance per price, higher is better.

Athlon II X2 245 has 180% better value for money than Phenom II X4 820.

Detailed specifications

Phenom II X4 820 and Athlon II X2 245 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores4 (Quad-Core)2 (Dual-core)
Threads42
Base clock speed2.8 GHz2.9 GHz
Boost clock speed2.8 GHz2.9 GHz
L1 cache128 KB (per core)256 KB
L2 cache512 KB (per core)2 MB
L3 cache4 MB (shared)0 KB
Chip lithography45 nm45 nm
Die size258 mm2117 mm2
Number of transistors758 million410 million
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Phenom II X4 820 and Athlon II X2 245 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration11
SocketAM3AM3
Power consumption (TDP)95 Watt65 Watt

Virtualization technologies

Virtual machine speed-up technologies supported by Phenom II X4 820 and Athlon II X2 245 are enumerated here.

AMD-V+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Phenom II X4 820 and Athlon II X2 245. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)On certain motherboards (Chipset feature)

Peripherals

Specifications and connection of peripherals supported by Phenom II X4 820 and Athlon II X2 245.

PCIe version2.02.0

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Phenom II X4 820 1.31
+87.1%
Athlon II X2 245 0.70

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Phenom II X4 820 2081
+87.5%
Athlon II X2 245 1110

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Phenom II X4 820 314
+5.7%
Athlon II X2 245 297

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Phenom II X4 820 923
+79.2%
Athlon II X2 245 515

Gaming performance

Pros & cons summary


Performance score 1.31 0.70
Recency 1 September 2009 23 July 2009
Physical cores 4 2
Threads 4 2
Power consumption (TDP) 95 Watt 65 Watt

Phenom II X4 820 has a 87.1% higher aggregate performance score, an age advantage of 1 month, and 100% more physical cores and 100% more threads.

Athlon II X2 245, on the other hand, has 46.2% lower power consumption.

The Phenom II X4 820 is our recommended choice as it beats the Athlon II X2 245 in performance tests.


Should you still have questions on choice between Phenom II X4 820 and Athlon II X2 245, ask them in Comments section, and we shall answer.

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AMD Phenom II X4 820
Phenom II X4 820
AMD Athlon II X2 245
Athlon II X2 245

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Community ratings

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Questions & comments

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